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<div id="overview"><a href="../../../../../../../apidocs/com/totsp/gwittir/client/util/impl/WindowContextPersisterHTML5.html">View Javadoc</a></div><pre>

<a name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a name="2" href="#2">2</a>   <em class="jxr_comment"> * To change this template, choose Tools | Templates</em>
<a name="3" href="#3">3</a>   <em class="jxr_comment"> * and open the template in the editor.</em>
<a name="4" href="#4">4</a>   <em class="jxr_comment"> */</em>
<a name="5" href="#5">5</a>   
<a name="6" href="#6">6</a>   <strong class="jxr_keyword">package</strong> com.totsp.gwittir.client.util.impl;
<a name="7" href="#7">7</a>   
<a name="8" href="#8">8</a>   <strong class="jxr_keyword">import</strong> java.util.HashMap;
<a name="9" href="#9">9</a>   <strong class="jxr_keyword">import</strong> java.util.Map;
<a name="10" href="#10">10</a>  <strong class="jxr_keyword">import</strong> java.util.Map.Entry;
<a name="11" href="#11">11</a>  
<a name="12" href="#12">12</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.Window;
<a name="13" href="#13">13</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.jsni.JavaScriptObjectDecorator;
<a name="14" href="#14">14</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.log.Level;
<a name="15" href="#15">15</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.log.Logger;
<a name="16" href="#16">16</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.util.WindowContext.WindowContextCallback;
<a name="17" href="#17">17</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.util.html5db.Database;
<a name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.util.html5db.Databases;
<a name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.util.html5db.ResultSet;
<a name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.util.html5db.ResultsCallback;
<a name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.util.html5db.SQLError;
<a name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.util.html5db.Transaction;
<a name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.util.html5db.TransactionTask;
<a name="24" href="#24">24</a>  
<a name="25" href="#25">25</a>  <em class="jxr_javadoccomment">/**</em>
<a name="26" href="#26">26</a>  <em class="jxr_javadoccomment"> * This is a persistence mechanism for newer versions of WebKit based on the</em>
<a name="27" href="#27">27</a>  <em class="jxr_javadoccomment"> * HTML SQL storage:</em>
<a name="28" href="#28">28</a>  <em class="jxr_javadoccomment"> * </em>
<a name="29" href="#29">29</a>  <em class="jxr_javadoccomment"> * <a href="http://webkit.org/misc/DatabaseExample.html" target="alexandria_uri">http://webkit.org/misc/DatabaseExample.html</a></em>
<a name="30" href="#30">30</a>  <em class="jxr_javadoccomment"> * </em>
<a name="31" href="#31">31</a>  <em class="jxr_javadoccomment"> * @author kebernet</em>
<a name="32" href="#32">32</a>  <em class="jxr_javadoccomment"> */</em>
<a name="33" href="#33">33</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> WindowContextPersisterHTML5 <strong class="jxr_keyword">extends</strong> <a href="../../../../../../com/totsp/gwittir/client/util/impl/AbstractWindowContextPersister.html">AbstractWindowContextPersister</a> {
<a name="34" href="#34">34</a>  	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> QUOTA = 512000;
<a name="35" href="#35">35</a>  	<strong class="jxr_keyword">private</strong> <a href="../../../../../../com/totsp/gwittir/client/util/html5db/Database.html">Database</a> db;
<a name="36" href="#36">36</a>  	<strong class="jxr_keyword">private</strong> HashMap&lt;String, String&gt; loaded = <strong class="jxr_keyword">new</strong> HashMap&lt;String, String&gt;();
<a name="37" href="#37">37</a>  
<a name="38" href="#38">38</a>  	@Override
<a name="39" href="#39">39</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getByteLimit() {
<a name="40" href="#40">40</a>  		<strong class="jxr_keyword">return</strong> 512000;
<a name="41" href="#41">41</a>  	}
<a name="42" href="#42">42</a>  
<a name="43" href="#43">43</a>  	@Override
<a name="44" href="#44">44</a>  	<strong class="jxr_keyword">public</strong> Map&lt;String, String&gt; getWindowContextData() {
<a name="45" href="#45">45</a>  		<strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>.loaded;
<a name="46" href="#46">46</a>  	}
<a name="47" href="#47">47</a>  
<a name="48" href="#48">48</a>  	@Override
<a name="49" href="#49">49</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> storeWindowContextData(
<a name="50" href="#50">50</a>  			<strong class="jxr_keyword">final</strong> Map&lt;String, String&gt; windowContextData) {
<a name="51" href="#51">51</a>  		db.run(<strong class="jxr_keyword">new</strong> <a href="../../../../../../com/totsp/gwittir/client/util/html5db/TransactionTask.html">TransactionTask</a>() {
<a name="52" href="#52">52</a>  			<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run(<a href="../../../../../../com/totsp/gwittir/client/util/html5db/Transaction.html">Transaction</a> tx) {
<a name="53" href="#53">53</a>  				<strong class="jxr_keyword">for</strong> (Entry&lt;String, String&gt; entry : windowContextData.entrySet()) {
<a name="54" href="#54">54</a>  					tx
<a name="55" href="#55">55</a>  							.execute(
<a name="56" href="#56">56</a>  									<span class="jxr_string">"INSERT INTO windowcontext (key, value) VALUES ( ?, ? )"</span>,
<a name="57" href="#57">57</a>  									<strong class="jxr_keyword">new</strong> String[] { entry.getKey(),
<a name="58" href="#58">58</a>  											entry.getValue() },
<a name="59" href="#59">59</a>  									<strong class="jxr_keyword">new</strong> <a href="../../../../../../com/totsp/gwittir/client/util/html5db/ResultsCallback.html">ResultsCallback</a>() {
<a name="60" href="#60">60</a>  
<a name="61" href="#61">61</a>  										<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onFailure(<a href="../../../../../../com/totsp/gwittir/client/util/html5db/Transaction.html">Transaction</a> tx,
<a name="62" href="#62">62</a>  												SQLError error) {
<a name="63" href="#63">63</a>  											Window.alert(<span class="jxr_string">"Insertion failure "</span>
<a name="64" href="#64">64</a>  													+ error.getMessage());
<a name="65" href="#65">65</a>  										}
<a name="66" href="#66">66</a>  
<a name="67" href="#67">67</a>  										<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onSuccess(<a href="../../../../../../com/totsp/gwittir/client/util/html5db/Transaction.html">Transaction</a> tx,
<a name="68" href="#68">68</a>  												ResultSet rs) {
<a name="69" href="#69">69</a>  											Logger.getAnonymousLogger().log(
<a name="70" href="#70">70</a>  													Level.INFO,
<a name="71" href="#71">71</a>  													<span class="jxr_string">"Insertion made."</span>, <strong class="jxr_keyword">null</strong>);
<a name="72" href="#72">72</a>  										}
<a name="73" href="#73">73</a>  									});
<a name="74" href="#74">74</a>  				}
<a name="75" href="#75">75</a>  			}
<a name="76" href="#76">76</a>  
<a name="77" href="#77">77</a>  		});
<a name="78" href="#78">78</a>  	}
<a name="79" href="#79">79</a>  
<a name="80" href="#80">80</a>  	@Override
<a name="81" href="#81">81</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> init(<strong class="jxr_keyword">final</strong> WindowContextCallback listener) {
<a name="82" href="#82">82</a>  
<a name="83" href="#83">83</a>  		db = Databases.openDatabase(<span class="jxr_string">"gwittir-windowcontext"</span>, <span class="jxr_string">"1.0"</span>,
<a name="84" href="#84">84</a>  				<span class="jxr_string">"This gwittir window context database"</span>, QUOTA);
<a name="85" href="#85">85</a>  		db.run(<strong class="jxr_keyword">new</strong> <a href="../../../../../../com/totsp/gwittir/client/util/html5db/TransactionTask.html">TransactionTask</a>() {
<a name="86" href="#86">86</a>  			<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run(<a href="../../../../../../com/totsp/gwittir/client/util/html5db/Transaction.html">Transaction</a> tx) {
<a name="87" href="#87">87</a>  				tx.execute(<span class="jxr_string">"SELECT COUNT(*) FROM windowcontext"</span>, <strong class="jxr_keyword">null</strong>,
<a name="88" href="#88">88</a>  						<strong class="jxr_keyword">new</strong> <a href="../../../../../../com/totsp/gwittir/client/util/html5db/ResultsCallback.html">ResultsCallback</a>() {
<a name="89" href="#89">89</a>  							<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onSuccess(<a href="../../../../../../com/totsp/gwittir/client/util/html5db/Transaction.html">Transaction</a> tx, <a href="../../../../../../com/totsp/gwittir/client/util/html5db/ResultSet.html">ResultSet</a> rs) {
<a name="90" href="#90">90</a>  								tx.execute(
<a name="91" href="#91">91</a>  										<span class="jxr_string">"SELECT key, value FROM windowcontext"</span>,
<a name="92" href="#92">92</a>  										<strong class="jxr_keyword">null</strong>, <strong class="jxr_keyword">new</strong> <a href="../../../../../../com/totsp/gwittir/client/util/html5db/ResultsCallback.html">ResultsCallback</a>() {
<a name="93" href="#93">93</a>  
<a name="94" href="#94">94</a>  											<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onSuccess(
<a name="95" href="#95">95</a>  													Transaction tx, <a href="../../../../../../com/totsp/gwittir/client/util/html5db/ResultSet.html">ResultSet</a> rs) {
<a name="96" href="#96">96</a>  												<strong class="jxr_keyword">for</strong> (JavaScriptObjectDecorator d : rs
<a name="97" href="#97">97</a>  														.getRows()) {
<a name="98" href="#98">98</a>  													loaded
<a name="99" href="#99">99</a>  															.put(
<a name="100" href="#100">100</a> 																	d
<a name="101" href="#101">101</a> 																			.getStringProperty(<span class="jxr_string">"key"</span>),
<a name="102" href="#102">102</a> 																	d
<a name="103" href="#103">103</a> 																			.getStringProperty(<span class="jxr_string">"value"</span>));
<a name="104" href="#104">104</a> 													listener.onInitialized();
<a name="105" href="#105">105</a> 												}
<a name="106" href="#106">106</a> 											}
<a name="107" href="#107">107</a> 
<a name="108" href="#108">108</a> 											<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onFailure(
<a name="109" href="#109">109</a> 													Transaction tx,
<a name="110" href="#110">110</a> 													SQLError error) {
<a name="111" href="#111">111</a> 												Window.alert(<span class="jxr_string">"Select failed"</span>);
<a name="112" href="#112">112</a> 											}
<a name="113" href="#113">113</a> 
<a name="114" href="#114">114</a> 										});
<a name="115" href="#115">115</a> 							}
<a name="116" href="#116">116</a> 
<a name="117" href="#117">117</a> 							<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onFailure(<a href="../../../../../../com/totsp/gwittir/client/util/html5db/Transaction.html">Transaction</a> tx, <a href="../../../../../../com/totsp/gwittir/client/util/html5db/SQLError.html">SQLError</a> error) {
<a name="118" href="#118">118</a> 								tx
<a name="119" href="#119">119</a> 										.execute(
<a name="120" href="#120">120</a> 												<span class="jxr_string">"CREATE TABLE IF NOT EXISTS windowcontext (key TEXT, value TEXT)"</span>,
<a name="121" href="#121">121</a> 												<strong class="jxr_keyword">null</strong>, <strong class="jxr_keyword">new</strong> <a href="../../../../../../com/totsp/gwittir/client/util/html5db/ResultsCallback.html">ResultsCallback</a>() {
<a name="122" href="#122">122</a> 													<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onSuccess(
<a name="123" href="#123">123</a> 															Transaction tx,
<a name="124" href="#124">124</a> 															ResultSet rs) {
<a name="125" href="#125">125</a> 														listener
<a name="126" href="#126">126</a> 																.onInitialized();
<a name="127" href="#127">127</a> 													}
<a name="128" href="#128">128</a> 
<a name="129" href="#129">129</a> 													<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onFailure(
<a name="130" href="#130">130</a> 															Transaction tx,
<a name="131" href="#131">131</a> 															SQLError error) {
<a name="132" href="#132">132</a> 														Window
<a name="133" href="#133">133</a> 																.alert(<span class="jxr_string">"Table Create failed"</span>);
<a name="134" href="#134">134</a> 
<a name="135" href="#135">135</a> 													}
<a name="136" href="#136">136</a> 												});
<a name="137" href="#137">137</a> 							}
<a name="138" href="#138">138</a> 						});
<a name="139" href="#139">139</a> 			}
<a name="140" href="#140">140</a> 		});
<a name="141" href="#141">141</a> 	}
<a name="142" href="#142">142</a> 
<a name="143" href="#143">143</a> }
</pre>
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